During follow-up operations of the structured network troubleshooting process, which of the following parties does not require advertisement of information?

• A.Authorization parties in each phase of troubleshooting
• B.Parties affected by the fault
• C.Other vendors and service providers
• D.Users who are interested in the root cause for the fault

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A DHCP relay agent exists between a DHCP server and DHCP clients. If IP addresses in the global address pool of the DHCP server and IP addresses of VLANIF interfaces connecting the DHCP relay agent to clients are on different network segments, a DHCP fault will occur.

• A.FALSE
• B.TRUE

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Which of the following statements regarding the device environment check is true?

• A.When the grounding mode and the grounding resistance are checked, the working ground, protection ground, and building lightning protection ground should be separately configured in the equipment room.
• B.For energy saving, the current temperature and humidity in the equipment room must meet requirements of devices. Air conditioners are not required to run continuously and stably.
• C.Devices should be placed stably in flat positions in a ventilated and dry environment, and only a few sundries can be placed around the devices.
• D.It is recommended that power cables and service cables be placed together in a neat and orderly manner.

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After finding that the OSPF configuration on a router is incorrect, you logged in to the router to check the OSPF configuration. Then you found that the association between OSPF and BFD was also incorrect. Therefore, you changed the OSPF and BFD configuration. Which of the following troubleshooting methods is used in this process?

• A.Bottom-up
• B.Segmentation
• C.Configuration comparison
• D.Chunking

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Which of the following cabling modes are commonly used in a data center? (Multiple Choice)

• A.DOD
• B.PHP
• C.TOR
• D.EOR
• E.NSF

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